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Finding the Fourth Proportional to 9,377.53, 12,935.01 and 7,134.49

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Solution

The fourth proportional to 9,377.53, 12,935.01 and 7,134.49 is: 9,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,377.53 : 12,935.01 = 7,134.49 : x
  2. Step 2: Convert to fraction form
    9,377.53/12,935.01 = 7,134.49/x
  3. Step 3: Cross multiply
    9,377.53x = 12,935.01 × 7,134.49
  4. Step 4: Simplify right side
    9,377.53x = 92,284,699.49
  5. Step 5: Solve for x
    x = 92,284,699.49/9,377.53
  6. Step 6: Final answer
    x = 9,841.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.